Heterocyclic compound and organic light emitting device using the same

Abstract

The present specification provides a heterocyclic compound, and an organic light emitting device including: a first electrode, a second electrode, and organic material layers formed of one or more layers including a light emitting layer disposed between the first electrode and the second electrode, in which one or more layers of the organic material layers include the heterocyclic compound or a compound in which a heat-curable or photo-curable functional group is introduced into the heterocyclic compound.

What is claimed is: 
     
       1. A heterocyclic compound represented by the following Chemical Formula 1 or 2: 
       
         
           
           
               
               
           
         
         wherein a is an integer of 7, 
         b is an integer of 4, 
         c is an integer of 8, 
         d is an integer of 5, 
         A 1  to A 4  are CR, 
         A 5  and A 7  are N, A 6  and A 8  are CR; or A 6  and A 8  are N, and A 5  and A 7  are CR and 
         R and R 1  to R 4  are the same as or different from each other, and are each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a hydroxy group; a carbonyl group; an ester group; an imide group; an amide group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted arylphosphine group; a substituted or unsubstituted phosphine oxide group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms. 
       
     
     
       2. The heterocyclic compound of  claim 1 , wherein R is hydrogen; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms. 
     
     
       3. The heterocyclic compound of  claim 1 , wherein R is hydrogen; an aryl group unsubstituted or substituted with one or two or more substituent groups selected from the group consisting of the substituted or unsubstituted phosphine oxide group, the substituted or unsubstituted aryl group, and the substituted or unsubstituted heterocyclic group including one or more of the N, O, and S atoms; or a heterocyclic group including one or more of N, O, and S atoms unsubstituted or substituted with one or two or more substituent groups selected from the group consisting of the substituted or unsubstituted phosphine oxide group, the substituted or unsubstituted aryl group, and the substituted or unsubstituted heterocyclic group including one or more of the N, O, and S atoms. 
     
     
       4. The heterocyclic compound of  claim 1 , wherein the heterocyclic compound represented by Chemical Formula 1 is is represented by any one of the following Chemical Formulas 1-1 to 1-36: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
       5. The heterocyclic compound of  claim 1 , wherein the heterocyclic compound represented by Chemical Formula 2 is represented by any one of the following Chemical Formulas 2-1 to 2-32: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
       6. An organic light emitting device comprising:
 a first electrode; 
 a second electrode; and 
 organic material layers formed of one or more layers including a light emitting layer disposed between the first electrode and the second electrode, 
 wherein one or more layers of the organic material layers include the heterocyclic compound according to  claim 1 . 
 
     
     
       7. The organic light emitting device of  claim 6 , wherein the organic material layer includes a hole transport layer, a hole injection layer, or a layer where both hole transporting and hole injection are performed, and the hole transport layer, the hole injection layer, or the layer where both the hole transporting and the hole injection are performed includes the heterocyclic compound. 
     
     
       8. The organic light emitting device of  claim 6 , wherein the organic material layer includes an electron injection layer, and the electron injection layer includes the heterocyclic compound. 
     
     
       9. The organic light emitting device of  claim 6 , wherein the organic material layer includes an electron transport layer, and the electron transport layer includes the heterocyclic compound. 
     
     
       10. The organic light emitting device of  claim 6 , wherein the light emitting layer includes the heterocyclic compound. 
     
     
       11. The organic light emitting device of  claim 6 , wherein the organic material layer includes the heterocyclic compound as a host, and another organic compound, a metal, or a metal compound as a dopant. 
     
     
       12. The organic light emitting device of  claim 6 , wherein the organic material layer further includes one layer or two or more layers selected from the group consisting of a hole injection layer, a hole transport layer, an electron transport layer, an electron injection layer, an electron blocking layer, and a hole blocking layer.